“Pengaruh Preventive Maintenance Terhadap Peningkatkan Availability Mesin Tnl 130 A Di Pt. Morita Tjokro Gearindo Menggunakan Metode Plan Do Check Action (PDCA) ” (2025) Journal of Industrial Engineering and Innovation, 1(02), hlm. 63–71. Tersedia pada: https://journal.unram.ac.id/index.php/jiei/article/view/6157 (Diakses: 10 Oktober 2025).